Roots by rank
[0]  0:   0.0000e+00   0.0000e+00   0.0000e+00   1.0000e+00
[1]  0:   1.0000e-01   0.0000e+00   1.0000e-01   1.0000e+00
[2]  0:   2.0000e-01   0.0000e+00   2.0000e-01   1.0000e+00
Leaves by rank
[0]  0:   0.0000e+00   0.0000e+00   1.0000e-01   0.0000e+00   0.0000e+00
[0]  5:   1.0000e+00   1.0000e-01   1.0000e+00
[1]  0:   0.0000e+00   0.0000e+00   1.0000e-01   0.0000e+00   2.0000e-01
[1]  5:   0.0000e+00   0.0000e+00   1.0000e+00   1.0000e-01   1.0000e+00
[1] 10:   2.0000e-01   1.0000e+00
[2]  0:   1.0000e-01   0.0000e+00   2.0000e-01   0.0000e+00   1.0000e-01
[2]  5:   1.0000e+00   2.0000e-01   1.0000e+00
PetscSF Object: 3 MPI processes
  type: basic
  [0] Number of roots=2, leaves=4, remote ranks=2
  [0] 0 <- (0,0)
  [0] 1 <- (1,0)
  [0] 2 <- (0,1)
  [0] 3 <- (1,1)
  [1] Number of roots=2, leaves=6, remote ranks=3
  [1] 0 <- (0,0)
  [1] 1 <- (1,0)
  [1] 2 <- (2,0)
  [1] 3 <- (0,1)
  [1] 4 <- (1,1)
  [1] 5 <- (2,1)
  [2] Number of roots=2, leaves=4, remote ranks=2
  [2] 0 <- (1,0)
  [2] 1 <- (2,0)
  [2] 2 <- (1,1)
  [2] 3 <- (2,1)
  MultiSF sort=rank-order